Alright, let's work through 20441765 times 80060366 step by step
20441765 × 80060366 = 80060366 × (20441765)
+ 80060366 × 5 that equals 400301830
+ 80060366 × 60 giving us 4803621960
+ 80060366 × 700 that results in 56042256200
+ 80060366 × 1000 giving us 80060366000
+ 80060366 × 40000 what gives us 3202414640000
+ 80060366 × 400000 that equals 32024146400000
+ 80060366 × 0000000 what gives us 0
+ 80060366 × 20000000 yielding 1601207320000000

= 1636575187585990
